[V8] Add support for MinGW-w64

This includes several upstream patches to allow V8 to work properly
with MinGW-w64.

Upstream patches:
- https://chromiumcodereview.appspot.com/9959050
- https://chromiumcodereview.appspot.com/10103030
- https://chromiumcodereview.appspot.com/10019012
- https://chromiumcodereview.appspot.com/10108022
- https://chromiumcodereview.appspot.com/10116001

Change-Id: I86876aa67a5bdea1208c7ee33a739eb7c00fd72b
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 17 insertions, 17 deletions

diff --git a/src/3rdparty/v8/src/platform-win32.cc b/src/3rdparty/v8/src/platform-win32.cc
index e36fc87..aa16c85 100644
--- a/src/3rdparty/v8/src/platform-win32.cc
+++ b/src/3rdparty/v8/src/platform-win32.cc
@@ -51,6 +51,22 @@ int strncasecmp(const char* s1, const char* s2, int n) {
 // the Microsoft Visual Studio C++ CRT.
 #ifdef __MINGW32__
 
+
+#ifndef __MINGW64_VERSION_MAJOR
+
+#define _TRUNCATE 0
+#define STRUNCATE 80
+
+inline void MemoryBarrier() {
+  int barrier = 0;
+  __asm__ __volatile__("xchgl %%eax,%0 ":"=r" (barrier));
+}
+
+#endif  // __MINGW64_VERSION_MAJOR
+
+
+#ifndef MINGW_HAS_SECURE_API
+
 int localtime_s(tm* out_tm, const time_t* time) {
   tm* posix_local_time_struct = localtime(time);
   if (posix_local_time_struct == NULL) return 1;
@@ -64,13 +80,6 @@ int fopen_s(FILE** pFile, const char* filename, const char* mode) {
   return *pFile != NULL ? 0 : 1;
 }
 
-
-#ifndef __MINGW64_VERSION_MAJOR
-#define _TRUNCATE 0
-#define STRUNCATE 80
-#endif  // __MINGW64_VERSION_MAJOR
-
-
 int _vsnprintf_s(char* buffer, size_t sizeOfBuffer, size_t count,
                  const char* format, va_list argptr) {
   ASSERT(count == _TRUNCATE);
@@ -104,16 +113,7 @@ int strncpy_s(char* dest, size_t dest_size, const char* source, size_t count) {
   return 0;
 }
 
-
-#ifndef __MINGW64_VERSION_MAJOR
-
-inline void MemoryBarrier() {
-  int barrier = 0;
-  __asm__ __volatile__("xchgl %%eax,%0 ":"=r" (barrier));
-}
-
-#endif  // __MINGW64_VERSION_MAJOR
-
+#endif  // MINGW_HAS_SECURE_API
 
 #endif  // __MINGW32__